| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Chalcokyanite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalcomenite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalconatronite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalcophanite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| chalcophile | An element such as copper that forms sulphide minerals if sufficient sulphur is available. | Ryan McGranaghan | 2023.04.16 |
| Chalcophyllite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalcopyrite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalcosiderite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalcostibite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalcothallite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalcotrichite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chaldean astronomy | No definition provided | Christopher Rauch | 2023.12.01 |
| Chalicosis | No definition provided | Christopher Rauch | 2023.12.01 |
| Chalk | No definition provided | Christopher Rauch | 2023.12.01 |
| Chalk-talks | No definition provided | Christopher Rauch | 2023.12.01 |
| Challacolloite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Challenger expedition, 1872-1876 | No definition provided | Christopher Rauch | 2023.12.01 |
| Chalmersite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chalybite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chamba Lahuli dialect | No definition provided | Christopher Rauch | 2023.12.01 |